Rejuvenating Tonifier Herbal Supplement Approved by Michael Tierra L.Ac, O.M.D. Ashwagandha is one of the world's most powerful adaptogens, use traditionally in Ayurvedic herbalism to help the body to adapt to physiological and psychological stress. Planetary Ayurvedics Full Spectrum Ashwagandha combines whole root powder with root extract to capture all the plant's valuable compounds. The result is a botanical that relaxes the mind, rejuvenates the body, and increases resistance to stress.